氨基酸/amino acids d-丙氨酸,d-alanine;≥98% (hplc) cas号 338-69
amino acids by welken
氨基和羧基还有侧链基团不是一定要和同一个碳原子相连的吗?
20-common-amino-acids-v3.png (2480×1754)
端粒与端粒酶ppt
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